Lyric discussion by andfrazer 

Cover art for Catapult lyrics by Arctic Monkeys

very good...still unsure on the first line "Both sides, in softly came the growl from both sides" i think this could mean how his ex girlfriends who are growling at him because he broke there heart.Both sides of his ears he hears growling, maybe wrong but not sure:/

No, I think it's insinuating that there was attraction from both parties. The girl, and the guy.